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Flexible Salt-Rejecting Photothermal Paper Based on Reduced Graphene Oxide and Hydroxyapatite Nanowires for High-Efficiency Solar Energy-Driven Vapor Generation and Stable Desalination
Xiong, ZC; Zhu, YJ; Qin, DD; Yang, RL
2020-07-22
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Issue29Pages:32556
SubtypeArticle
AbstractVapor generation using solar energy is emerging as an efficient technology for wastewater purification and seawater desalination to relieve global water crisis. However, salt deposition on the evaporation surface seriously impairs the long-term steady water evaporation performance. Herein, the flexible salt-rejecting photothermal paper comprising reduced graphene oxide (rGO) and ultralong hydroxyapatite nanowires (HNs) has been developed for high-performance solar energy-driven water evaporation and stable desalination of seawater. The rGO/HN photothermal paper has advantages such as the hierarchical porous structure, interconnected channels, high mechanical strength, high efficiencies of solar light absorption and photothermal conversion, fast water transportation, and good heat insulation and salt-rejecting properties. Furthermore, the hydrophilicity and hydrophobicity of the rGO/HN photothermal paper can be adjusted by regulating the thermal treatment time. The water evaporation rate and energy efficiency of the hydrophilic rGO/HN photothermal paper are 1.48 kg m(-2) h(-1) and 89.2%, respectively, under 1 sun illumination (1 kW m(-2)). The hydrophobic rGO/HN photothermal paper shows a long-time stable water evaporation and salt-rejecting performance in the process of seawater desalination. The flexible salt-rejecting rGO/HN photothermal paper can produce clean water from wastewater and seawater with high rejection rates of organic dyes, metal ions, and salt ions, and it is promising for applications in water purification and seawater desalination.
DOI10.1021/acsami.0c05986
WOS KeywordWATER EVAPORATION ; CONVERSION ; MEMBRANE ; LAYER
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27894
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xiong, ZC,Zhu, YJ,Qin, DD,et al. Flexible Salt-Rejecting Photothermal Paper Based on Reduced Graphene Oxide and Hydroxyapatite Nanowires for High-Efficiency Solar Energy-Driven Vapor Generation and Stable Desalination[J]. ACS APPLIED MATERIALS & INTERFACES,2020(29):32556.
APA Xiong, ZC,Zhu, YJ,Qin, DD,&Yang, RL.(2020).Flexible Salt-Rejecting Photothermal Paper Based on Reduced Graphene Oxide and Hydroxyapatite Nanowires for High-Efficiency Solar Energy-Driven Vapor Generation and Stable Desalination.ACS APPLIED MATERIALS & INTERFACES(29),32556.
MLA Xiong, ZC,et al."Flexible Salt-Rejecting Photothermal Paper Based on Reduced Graphene Oxide and Hydroxyapatite Nanowires for High-Efficiency Solar Energy-Driven Vapor Generation and Stable Desalination".ACS APPLIED MATERIALS & INTERFACES .29(2020):32556.
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